package cn.hansfly.puzzle;

public class LoopInfinite {
	public static void main(String[] args) {
//		double d = Double.POSITIVE_INFINITY;
		
//		while(d == d+1);
		
		
//		double d = Double.NaN;
		
//		while(d != d);
		
//		String s = "Yu are foolist!";
		
//		while(s != s+0);
	}
	
}
